Sarcastonian 

The language spoken by sarcastic people.

Some quotes by those speaking fluent Sarcastonian:
"I never forget a face, but in your case I'll be glad to make an exception." - Groucho Marx
"Some cause happiness wherever they go; others whenever they go." - Oscar Wilde
"I always wanted to be somebody, but now I realize I should have been more specific." - Lily Tomlin
"Reader, suppose you were an idiot. And suppose you were a member of Congress. But I repeat myself." - Mark Twain

Sarcastonian by TomShark, President/CEO of Oddly Enough March 25, 2019

Sarcastian 

One who has mastered the arts and letters of sarcastic speech. No, really...

Andrew the Emo Cat: AmAzing! This Oregon weather has got me jumping_up_and_down.

Neo: You must think you're awesome. Freaking sarcastians....

Sarcastian by bobross April 27, 2011

sarcastobang

A cousin to the interrobang (?!). A punctuation mark represented by an exclamation point inside parentheses. It implies written sarcasm for those with busted sarcastometers. It is used in addition to normal punctuation.

Using a sarcastobang, everybody should understand my Internet sarcasm, Jeff. (!)

sarcastobang by MSwagDT December 1, 2009

Sarcastician 

A person who practices sarcasm as profession i.e one who often resort to sarcasm in whatever situation mindlessly

He is a seasoned sarcastician

Sarcastician by mounteverest November 6, 2009